4EYC

Crystal structure of the cathelin-like domain of human cathelicidin LL-37 (hCLD)

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d4eyca1	Alpha and beta proteins (a+b)	Cystatin-like	Cystatin/monellin	Cathelicidin motif	automated matches	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
A	d4eyca2	Artifacts	Tags	Tags	Tags	N-terminal Tags	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
B	d4eycb_	Alpha and beta proteins (a+b)	Cystatin-like	Cystatin/monellin	Cathelicidin motif	automated matches	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Cathelicidin motif	8081704	4003178	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Cystatin/monellin	8081705	3000441	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	Cystatin/monellin	8081705	3000441	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Cathelicidins	e4eycA1	A: a+b two layers	X: Cystatin-like	H: Cystatin/monellin (From Topology)	T: Cystatin/monellin	F: Cathelicidins	ECOD (1.6)
B	Cathelicidins	e4eycB1	A: a+b two layers	X: Cystatin-like	H: Cystatin/monellin (From Topology)	T: Cystatin/monellin	F: Cathelicidins	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.10.450.10	Alpha Beta	Roll	Nuclear Transport Factor 2	Chain: A,	CATH (4.3.0)
B	3.10.450.10	Alpha Beta	Roll	Nuclear Transport Factor 2	Chain: A,	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF00666	Cathelicidin (Cathelicidins)	Cathelicidin	A novel protein family, showing a conserved proregion and a variable carboxyl-terminal antimicrobial domain. This region shows similarity to cystatins.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Cathelicidin antimicrobial peptide	binding lipid binding lipopolysaccharide binding carbohydrate derivative binding	cellular response to stimulus cellular response to nitrogen compound response to organic substance biological process involved in interspecies interaction between organisms response to stimulus response to biotic stimulus cellular response to biotic stimulus cellular response to endogenous stimulus response to bacterium response to external biotic stimulus cellular response to organic substance response to peptidoglycan response to other organism response to organonitrogen compound cellular response to stimulus cellular response to nitrogen compound response to organic substance biological process involved in interspecies interaction between organisms response to stimulus response to biotic stimulus cellular response to biotic stimulus cellular response to endogenous stimulus response to bacterium response to external biotic stimulus cellular response to organic substance response to peptidoglycan response to other organism response to organonitrogen compound response to endogenous stimulus cellular response to peptidoglycan response to oxygen-containing compound response to external stimulus response to nitrogen compound cellular response to molecule of bacterial origin cellular response to oxygen-containing compound cellular response to chemical stimulus cellular response to organonitrogen compound response to chemical cellular process response to molecule of bacterial origin organonitrogen compound metabolic process primary metabolic process amyloid fibril formation cellular component organization organic substance metabolic process metabolic process protein metabolic process macromolecule metabolic process cellular component organization or biogenesis supramolecular fiber organization neutrophil activation multicellular organismal process immune system process cell activation myeloid leukocyte activation granulocyte activation leukocyte activation humoral immune response defense response immune response antibacterial humoral response defense response to symbiont antimicrobial humoral response defense response to bacterium defense response to other organism response to stress innate immune response response to lipid cellular response to lipopolysaccharide response to lipopolysaccharide cellular response to lipid regulation of biological process cell population proliferation regulation of cellular process positive regulation of cell population proliferation regulation of cell population proliferation biological regulation positive regulation of biological process positive regulation of cellular process response to cytokine cellular response to tumor necrosis factor cellular response to cytokine stimulus response to tumor necrosis factor response to interleukin-6 cellular response to interleukin-6 disruption of cell in another organism biological process involved in symbiotic interaction killing by host of symbiont cells disruption of anatomical structure in another organism biological process involved in interaction with symbiont killing of cells of another organism cell killing innate immune response in mucosa mucosal immune response organ or tissue specific immune response regulation of developmental process angiogenesis regulation of vasculature development positive regulation of developmental process multicellular organism development tube morphogenesis anatomical structure development regulation of multicellular organismal process regulation of anatomical structure morphogenesis blood vessel development system development developmental process regulation of multicellular organismal development blood vessel morphogenesis tube development positive regulation of angiogenesis vasculature development circulatory system development anatomical structure morphogenesis positive regulation of vasculature development regulation of angiogenesis anatomical structure formation involved in morphogenesis positive regulation of multicellular organismal process antimicrobial humoral immune response mediated by antimicrobial peptide cytolysis defense response to Gram-negative bacterium positive regulation of phosphorylation regulation of protein modification process regulation of protein phosphorylation positive regulation of protein metabolic process positive regulation of cellular metabolic process positive regulation of phosphate metabolic process regulation of primary metabolic process positive regulation of metabolic process positive regulation of protein modification process regulation of phosphate metabolic process phosphate-containing compound metabolic process positive regulation of macromolecule metabolic process positive regulation of protein phosphorylation phosphorus metabolic process protein modification process protein phosphorylation positive regulation of phosphorus metabolic process phosphorylation cellular metabolic process regulation of protein metabolic process regulation of cellular metabolic process regulation of macromolecule metabolic process macromolecule modification regulation of phosphorus metabolic process regulation of phosphorylation regulation of metabolic process cellular response to interleukin-1 response to interleukin-1 defense response to Gram-positive bacterium	extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle extracellular region organelle extracellular space cellular anatomical entity vesicle extracellular membrane-bounded organelle intracellular anatomical structure tertiary granule lumen membrane-enclosed lumen intracellular vesicle extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle extracellular region organelle extracellular space cellular anatomical entity vesicle extracellular membrane-bounded organelle intracellular anatomical structure tertiary granule lumen membrane-enclosed lumen intracellular vesicle intracellular membrane-bounded organelle endomembrane system intracellular organelle lumen tertiary granule intracellular organelle organelle lumen cytoplasmic vesicle secretory granule secretory vesicle cytoplasm vesicle lumen cytoplasmic vesicle lumen secretory granule lumen specific granule lumen specific granule cell projection

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR046350	Cystatin superfamily	Homologous Superfamily
A, B	IPR001894	Cathelicidin-like	Family
A, B	IPR022746	Cathelicidin, antimicrobial peptide, C-terminal	Domain
A, B	IPR018216	Cathelicidin, conserved site	Conserved Site

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B	Pharos: P49913	psoriasis breast cancer lung adenocarcinoma chronic obstructive pulmonary disease lymphoplasmacytic lymphoma rosacea heart disease osteosarcoma

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.